USGS Water-Year Summary for Site 10348200

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Min.,Mean,Max.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

10348200 Truckee River Near Sparks, NV

LOCATION - Lat 39°31'03.42", long 119°44'29.92" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NE 1/4 sec.16, T.19 N., R.20 E., Washoe County, NV, Hydrologic Unit 16050102, on left bank, 400 ft upstream from McCarran Boulevard bridge, 1 mi south of Southern Pacific Railroad in Sparks, 2.5 mi upstream from Steamboat Creek, and at mi 56.15 upstream from Marble Bluff Dam.

DRAINAGE AREA - 1,070 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - Apr. 1977 to current year.

GAGE - Water-stage recorder. Datum of gage is 4,382.41 ft above National Geodetic Vertical Datum of 1929 (U.S. Army Corps of Engineers benchmark).

REMARKS - Flow regulated by Lake Tahoe (station 10337000), Martis Creek Lake (station 10339380), Prosser Creek (station 10340300), Stampede (station 10344300) and Boca (station 10344490) Reservoirs, Donner (station 10338400) and Independence (station 10342900) Lakes, and several powerplants. Many diversions above station. 10/01/2013-09/30/2014: Records good except for estimated daily discharges, which are poor. 10/01/2014-09/30/2015: Records fair. 10/01/2015-09/30/2016: Records good except for estimated daily discharges, which are poor. 10/01/2016-09/30/2017: Records fair. 10/01/2017-09/30/2018: Records fair except for estimated discharges, which are poor. 10/01/2018-09/30/2019: Records fair except for estimated discharges, which are poor. 10/01/2019-09/30/2020: Records good except for estimated discharges, which are poor. 10/01/2020-09/30/2021: Records good except for estimated discharges, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, about 18,000 ft³/s (comparison with upstream and downstream stations), Jan. 2, 1997, recorded gage height, 17.06 ft (flow overbank and around gage); no flow many days Aug, Sep, and Oct. 1992; Jul, Aug 2015.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1988 to Sep. 1995; Oct. 2000 to current year.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Aug. 1993 to September 1995; Oct. 2000 current year. WATER TEMPERATURE: Jun. 1988 to Sep. 1995; Oct. 2000 to current year.

INSTRUMENTATION - Specific-conductance recorder from Aug. 1993 to Sep. 1995, four times per hour; Oct. 2000 to Apr. 2001, hourly; May 2001 to current year, four times per hour. Temperature recorder from Jun. 1988 to Jul. 1993, hourly; Aug. 1993 to Sep. 1995, four times per hour; Oct. 2000 to Apr. 2001, hourly; May 2001 to current year, four times per hour.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 687 microsiemens, cm at 25°C, Jan. 5, 1995; minimum recorded, 45 microsiemens, cm at 25°C, Jul. 30, 2011. WATER TEMPERATURE: Maximum, 30.5°C, Aug. 12, 1991; minimum, freezing point on many days during winter months of most years.